body {
    background: #d5eafd;
}

input {
    background: white;
}

button {
    background: aliceblue;
    border: 0px;
}

div#homepage_div {
    text-align: center;
}

#addBtn {
    font-size: 30px;
    width: 50%;
    background: #aaddf6;
    margin: 0 5px 0 0;
}

#useBtn {
    font-size: 30px;
    width: 50%;
    background: #aaddf6;
}

div#event_list {
    height: 80%;
    width: 100%;
}

#add_div {
    display: none;
    width: 100%;
    height: 100%;
}

div#header_add_div {
    height: 5%;
    border-bottom: 1px solid;
}

div#main_add_div {
    height: 95%;
}

div#main_add_div span {
    font-size: 30px;
}

button#launchBtn_add_div {
    width: 100%;
    position: absolute;
    bottom: 5%;
    left: 0;
    height: 10%;
    font-size: 30px;
}

div#main_add_div input {
    width: 100%;
    height: 10%;
    font-size: 30px;
}

#use_div {
    display: none;
    width: 100%;
    height: 100%;
}

div#bottom_func_btn {
    width: 100%;
    height: 20%;
    border-top: 3px solid;
    display: flex;
}

div#header_add_div span {
    font-size: 24px;
}

div#use_div span {
    font-size: 24px;
}

.common_backBtn {
    font-weight: bold;
    font-size: 24px;
    border: 1px solid;
    padding: 3px 20px 3px 20px;
}

div#header_use_div {
    height: 5%;
    border-bottom: 1px solid;
}

div#main_use_div {
    height: 95%;
}

select#event_select {
    width: 100%;
    height: 10%;
    font-size: 30px;
}

div#join_div input {
    width: 100%;
    height: 10%;
    font-size: 30px;
}

#storeBtn_join_div {
    width: 100%;
    position: absolute;
    bottom: 5%;
    left: 0;
    height: 10%;
    font-size: 30px;
}

/* 提示 */
#tip_div {
    width: 100%;
    height: 100px;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1000;
    background-color: #f192b2e8;
    text-align: center;
    display: none;
}

#tip_div span {
    font-size: 30px;
    top: 30px;
    position: relative;
    color: #ffffffd4;
    font-family: cursive;
}

div#event_list span {
    font-size: 26px;
}

div#main_join_div span {
    font-size: 26px;
}

span#event_name_join_div {
    font-size: 24px;
}

div#header_join_div {
    border-bottom: 1px solid #c7c7c7;
    height: 5%;
}

div#main_join_div {
    height: 80%;
}

.main_join_common_div {
    margin: 10px 0px;
}